code: def parse_args():
      parser = argparse.ArgumentParser(description="Extract KAIST zips")
      parser.add_argument("root_path", help="Root path of KAIST")
      args = parser.parse_args()
      return args
  
file_path: mmocr/tools/dataset_converters/common/extract_kaist.py
imports: import argparse
  import os
  import os.path
  import shutil
  import xml.etree.ElementTree
  import zipfile
  from xml.etree.ElementTree import ParseError
label_desc: Use image node_id 3 for calling a global function with example usage: parse_args() and returns: args